Astronomy Abbreviations and Acronyms

1. TAI
   International Atomic Time (Temps Atomique International) [to 2015 July 1st, 35s ahead of UTC; from 2015 July 1st, 36s ahead of UTC.]
2. TAI
   International Atomic Time
3. TAL
   Teleskop Astronomi Lyubitel
4. TAL
   Transatlantic Landing
5. TAL
   Transatlantic Abort Landing
6. TALC
   The Astronomy Learning Center
7. TAMS
   Terminal Age Main Sequence
8. TANDE
   Test and Evaluation
9. TANSTAAFL
   There Ain't No Such Thing As A Free Lunch (coined By Author Robert A. Heinlein In His The Moon Is A Harsh Mistress)
10. TAOS
    Taiwan-American Occultation Survey
11. TAOS
    Taiwan American Occultation Survey
12. TAP
    Telescope Acceks Program
13. TAR
    Test Authorization Request
14. TARDIS
    The Apparatus for Really Distant Interstellar Sojourns
15. TAROT
    TéLescope à Action Rapide Pour Les Objets Transitoires
16. TB
    Thermal Balance
17. TBBT
    The Big Bang Theory
18. TBC
    Time Base Correctors
19. TBCS
    Time Base Correctors
20. TBD
    To Be Determined

Last updated: August 3, 2021 — Total entries: 5,937